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P(2,4) dan Q(6,6)
x2 - x1
: 6 - 4
6 - 2
: 2 = 1
4 2
Pers. Garis lurus :
y - y1 = m (x - x1)
y - 4 = 1 (x - 2)
2
2 (y - 4) = 1 (x - 2)
2y - 8 = x - 2
-x + 2y - 8 + 2 = 0
-x + 2y - 6 = 0
MAAF JIKA SALAH